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First pass combine ep0 into buffer

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This commit is contained in:
Ed Clarke
2018-10-29 08:50:04 +00:00
parent f0c6b22ddc
commit 4b73f17997
2 changed files with 55 additions and 4 deletions
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52
examples/xua_lite_example/src/xua_buffer.xc
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@@ -153,7 +153,25 @@ void do_feedback_calculation(unsigned &sof_count
}
}
void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, chanend c_sof, chanend c_aud_ctl, in port p_for_mclk_count, chanend c_audio_hub) {
#define SINGLE_XUA_EP_BUFFER 1
#if SINGLE_XUA_EP_BUFFER
extern "C"{
void XUA_Endpoint0_lite_init(chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
chanend ?c_mix_ctl, chanend ?c_clk_ctl, chanend ?c_EANativeTransport_ctrl, CLIENT_INTERFACE(i_dfu, ?dfuInterface) VENDOR_REQUESTS_PARAMS_DEC_);
void XUA_Endpoint0_lite_loop(XUD_Result_t result, USB_SetupPacket_t sp, chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
chanend ?c_mix_ctl, chanend ?c_clk_ctl, chanend ?c_EANativeTransport_ctrl, CLIENT_INTERFACE(i_dfu, ?dfuInterface) VENDOR_REQUESTS_PARAMS_DEC_, unsigned *input_interface_num, unsigned *output_interface_num);
}
#pragma select handler
void XUD_GetSetupData_Select(chanend c, XUD_ep e_out, unsigned &length, XUD_Result_t &result);
extern XUD_ep ep0_out;
extern XUD_ep ep0_in;
#endif
void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_out, chanend c_feedback, chanend c_aud_in, chanend c_sof, in port p_for_mclk_count, chanend c_audio_hub) {
debug_printf("%d\n", MAX_OUT_SAMPLES_PER_SOF_PERIOD);
@@ -196,6 +214,20 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
int32_t samples_out[NUM_USB_CHAN_OUT] = {0};
int32_t samples_in[NUM_USB_CHAN_IN] = {0};
#if SINGLE_XUA_EP_BUFFER
#define c_audioControl null
#define dfuInterface null
XUA_Endpoint0_lite_init(c_ep0_out, c_ep0_in, c_audioControl, null, null, null, dfuInterface);
unsigned char sbuffer[120];
USB_SetupPacket_t sp;
XUD_SetReady_Out(ep0_out, sbuffer);
unsigned input_interface_num = 0;
unsigned output_interface_num = 0;
#endif
unsafe{
int host_to_device_fifo_storage[MAX_OUT_SAMPLES_PER_SOF_PERIOD * 2];
@@ -209,6 +241,8 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
unsigned tmp; //For select channel input by ref
while(1){
select{
#if !SINGLE_XUA_EP_BUFFER
//Handle control path from EP0
case testct_byref(c_aud_ctl, tmp):
//ignore tmp as is used for reboot signalling only
@@ -248,6 +282,22 @@ void XUA_Buffer_lite(chanend c_aud_out, chanend c_feedback, chanend c_aud_in, ch
}
outct(c_aud_ctl, XS1_CT_END);
break;
#endif
#if SINGLE_XUA_EP_BUFFER
case XUD_GetSetupData_Select(c_ep0_out, ep0_out, length, result):
if (result == XUD_RES_OKAY)
{
/* Parse data buffer end populate SetupPacket struct */
USB_ParseSetupPacket(sbuffer, sp);
}
debug_printf("ep0, result: %d, length: %d\n", result, length); //-1 reset, 0 ok, 1 error
XUA_Endpoint0_lite_loop(result, sp, c_ep0_out, c_ep0_in, c_audioControl, null/*mix*/, null/*clk*/, null/*EA*/, dfuInterface, &input_interface_num, &output_interface_num);
XUD_SetReady_Out(ep0_out, sbuffer);
break;
#endif
//SOF
case inuint_byref(c_sof, tmp):